<br />The diamond-ground carbide tip has advanced performance cutting edges for a long working life and the flute is designed for fast debris removal. Perfect for use in cordless drills when used on both rotary or hammer modes, dependent on the material being drilled (4mm bit rotary only).<br /><br />Supplied in a handy plastic case. Contains the following sizes: 4, 5, 6, 7, 8, 10 and 12mm.">